Tornadoes hit Oklahoma

May 19, 2013 |Chron.com staff

The tornadoes that touched down in Oklahoma, Kansas and Iowa were part of a massive, northeastward-moving storm system that stretched from Texas to Minnesota.

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This imaged obtained courtesy of KFOR-TV shows damaged structures on May 19, 2013 after a tornado ripped through Wellston, Oklahoma. Tornadoes damaged many areas across the state May 19, 2013 and are still forming. Homes have been destroyed, with the worst damage so far just outside of Wellston. AFP PHOTO / KFOR-TV == RESTRICTED TO EDITORIAL USE / MANDATORY CREDIT: "AFP PHOTO / KFOR-TV "/ NO SALES / NO MARKETING / NO ADVERTISING CAMPAIGNS / DISTRIBUTED AS A SERVICE TO CLIENTS ==-/AFP/Getty Images

This imaged obtained courtesy of KFOR-TV shows damaged structures on May 19, 2013 after a tornado ripped through Wellston, Oklahoma. Tornadoes damaged many areas across the state May 19, 2013 and are still forming. Homes have been destroyed, with the worst damage so far just outside of Wellston. AFP PHOTO / KFOR-TV == RESTRICTED TO EDITORIAL USE / MANDATORY CREDIT: "AFP PHOTO / KFOR-TV "/ NO SALES / NO MARKETING / NO ADVERTISING CAMPAIGNS / DISTRIBUTED AS A SERVICE TO CLIENTS ==-/AFP/Getty Images